Coiltek Coils For The GPX 6000 - Confirmed!

[geof_junk]

18 hours ago, goldenoldie said:

If you half the size of the windings in the 6000's 14DD, as you do to find what size mono it would be equivalent too, than that would be a 14" by 8" mono coil. 

If you selected Mono on the Older MineLab with a DD coil you will see what happens. The detector will pick up smaller nuggets easier switching back to DD if you lost the signal it was shallow but if you got a good signal it was at a good depth for the size of the nugget however if you swapped to a the same size Mono you would get deeper nuggets (in most ground) than the DD if the Mode switch can be used in that location. As I have said in my above post the rule of thumb is, the area of the same style coil will have the same amount of current driven by the same amount voltage (FET discharge). If the area is half the field is doubled. For a 14" coil (Area 196 sq inches) half that area is equivalent to a 10" coil (Area 100 sq inches) so if the target is close it will have twice the signal generated. If the signal received is small then the larger coil will not register on the detector. If the target is deep and large then the half strength field will generate a large enough signal for the detector to pick up the target. Another rule of thumb is for the size of target the coil is design for is related to the width of the coil of the same design.

In the early days of PI detectors Coiltek made a very small small 8" by 6" DD Elliptical coil. As the smaller coils are harder to use in hot ground the DD was very capable of finding Flysh!t nuggets that most coils had no hope of finding. Later on Nuggetfinder made a  similar size coil in mono ( Sadie) that was also deadly on small gold. The wife found the size and weight of both these coils was the best coils for her. In the worst ground the DD was best but in most grounds the mono was better for depth.

So to compare coils remember who (you) is using it, the nature of the nugget size, depth of ground and size and weight of the coil. I was going to say the manufacture and reliability, but this post was started by "COILTEK" and they are looking at alternative coils for your detector so give them a fair go when deciding your choice. Remember these guys make coil for a living and should be able to answer what is best for you if you work out what your requirements are.

I forgot to mention the speed that the coil is used at. The faster covers more area but slower gets more depth so go slow if using a large coil to get extreme depth on larger nuggets and the reverse if it has shallow gold spread wide and sparse.

[Steve Herschbach]

On 9/26/2021 at 12:59 PM, Jonathan Porter said:

I am a Minelab lickspittle and you my friend are a crotchety old grumble guts who leaps to the little guys defence at the drop of a hat and I love you like a brother for every bit of it. ❤️?

I'll fight with anyone who calls you a Minelab lickspittle JP, and have indeed done just that! People have no idea how at odds you have been with Minelab at times, trying to make them see sense on things. But I definitely own the "crotchety old grumble guts" part. It's actually one of the few benefits of getting older. I've always been one to call it like I see it, and age removes what little reserve I had, perhaps not always for the best. 

 

[Steve Herschbach]

19 hours ago, Coiltek said:

Well this topic  for GPX6000 coils by Coiltek has gone off the rails a bit with other brands and detectors. anyway if you’re keen to find out more join our mailing list and keep an ear out. 
We do appreciate all the relevant coil comments and I for one am looking forward to getting these things out there! 

take care all Trev. 

64 replies and over 6000 views so far.... I'd not worry about the fine details Trevor. Best advertising dollars you'll spend this week!  I'll take this opportunity to thank you for dropping by - your posts are always appreciated, and of great interest to forum members. Do make it more of a habit, as we all have extreme interest in anything you are making for any detectors. That 6x10 for Equinox, by the way, truly a superb effort, looks more like Minelab made than aftermarket - well done!

[Jonathan Porter]

And my apologies for dragging the subject a bit off topic. And I agree the 10 x 6 for the Equinox is a thing of beauty.

JP 

[Swegin]

1 hour ago, Steve Herschbach said:

But I definitely own the "crotchety old grumble guts" part. It's actually one of the few benefits of getting older. I've always been one to call it like I see it, and age removes what little reserve I had, perhaps not always for the best.

Well I hope you don't get into the Curmudgeon stage.  LOL

 

[MSC]

Thanks CoilteK, Trevor, for responding and giving us a look into future coils for the 6000. I own several Coiltek coils for the 5000K and looking forward to coils for the 6000. Most of us look at this at this as a very positive development for our future with your company.  

[Coiltek]

Thanks SH and JP and all for the support. 
the 10x5 NOX certainly hit the mark for the detector and users of it. We are very pleased to see it so warmly received. 

Most of the weight for the coils comes from the winding wire then the plastics next, nothing we can do about the wire really as you need this of course. Plastics, we are investing in new mounding and are very excited about it  - can’t say too much more at this stage  

If the coil is potted with epoxy then this is extra again

Ron  about your query can the small elliptical size DD be as sensitive as the 11” round? I am guessing mono? 
for me I always see the smaller ellipticals like 10x5” have an edge on sensitivity to larger round coils but inherently mono coils are more sensitive than DD coils of the same size   

I’m looking forward to 2022! 
Trev

[Chet]

My choices for Elliptical coil sizes are; 9” x 6”, 14” x 9”, and 24” x 15”.

For Very Low Frequency (VLF) detectors with high length to width ratio elliptical coils such as Big Foot coils work well for coin and relic hunting. 

In my opinion Pulse Induction (PI) gold detector elliptical coils should have more conservative ratios of less than 1.60 : 1. 

I think conservative ratios provide a good balance between detecting small shallow nuggets and larger deeper nuggets.

If the goal is to detect mostly very small shallow nuggets then higher elliptical ratios of 2:1 or 3:1 in small coil sizes may be desired.

Have a good day,
Chet
 

[Sheppo]

I’d like a 12x8 mono (or even a 10x6) elliptical for those FNQ creeks and gullies where I can poke the front of the coil into places the round coil won’t go, and would also like to see something a bit left of field, maybe an 18” round mono or bigger for those vast, open spaces though understand if this can’t be done.

 

I’m yet to use the GPX17 though so can’t comment on the larger coils for the 6000.